The Technical Information No. 1209 introduces AEROSIL® R 8200, a specially treated silica developed to improve silicone rubber compounding efficiency. In order to meet customer requirements, the silica has been modified by several treatment stages that follow production and hydrophobization steps. This product is characterized by a particularly low thickening effect, while at the same time retaining strong reinforcing properties.

The Technical Information No. 1253 describes in detail the properties of fumed AEROSIL® as well as the production of LSR systems and the requirements placed on the silica. Additional topics are the effects of different grades of hydrophobic AEROSIL® in an LSR formulation, effective heat stabilizers for LSR Formulations and an experimental section.

It is well known that AEROSIL® fumed silica can fine-tune many properties of silicone sealant compounds. It can impart the required rheological and mechanical properties in RTV–1C silicone sealant compounds.